陈鑫,王维庆,王海云,高龙,谢永流,樊小朝.低压微网中永磁风力发电系统逆变器控制策略研究[J].电测与仪表,2015,52(22):. CHEN Xin,WANG Weiqing,WANG Haiyun,GAO Long,XIE Yongliu,FAN Xiaochao.Study on Control Strategy of Permanent Magnet Wind Power System for Inverter in low voltage micro-grid[J].Electrical Measurement & Instrumentation,2015,52(22):.
低压微网中永磁风力发电系统逆变器控制策略研究
Study on Control Strategy of Permanent Magnet Wind Power System for Inverter in low voltage micro-grid
In low voltage micro net, with permanent magnet wind power grid system inverter as the research object, mainly studies the wind power generation system in the grid and off-grid system under two kinds of model of the inverter control strategy. For system in the grid and off-grid, current inner loop using instantaneous feedback capacitance current of inverter control, effectively solved the system instability caused by LCL filter control problem. For two different mode, in this paper, the grid inverter control mode system adopts instantaneous power outer ring, transient capacitance current PIR inner loop control; under the off-grid mode ,load voltage used for the outer ring, transient capacitance current PIR for inner ring double closed loop control. Through the simulation analysis, instantaneous active reactive power control loop to achieve the system inverter grid-connected wind farms is given power control, under the condition of the system output power change, the current is fast accurate dynamic tracking performance, implement the power decoupling control system, ensure that the system output high quality electricity, verify the feasibility of this control strategy effectively.
